Remember the Secret Policeman's Ball?

What does it mean to be a successful comedian? How far can the boundaries of taste be pushed to get a laugh? Four top comics, Ricky Gervais, Louis C.K., Jerry Seinfeld and Chris Rock, discuss and debate their craft.

Jerry Seinfeld returns to the club that gave him his start in the 1970s, mixing iconic jokes with stories from his childhood and early days in comedy.

Stand-up comedian Kevin Hart talks about his family, travel and a year full of reckless behavior in front of a live sold-out crowd in London.

Bad Grandpa .5 gives you a whole new perspective on the world of Irving Zisman with bonus scenes and pranks also featuring Spike Jonze as "Gloria" and Catherine Keener as Irving's wife "Ellie", plus a look at the evolution of Johnny Knoxville's naughty alter-ego, the makeup effects, and a behind-the-scenes peek at the idiocy it takes to make a hidden camera movie in public.

Comedian Kevin Hart performs in front of a crowd of 50,000 people at Philadelphia's outdoor venue, Lincoln Financial Field.

Kevin, Joe and Nick face down quick wits and deep cuts in this comedy special featuring Pete Davidson, John Legend and more. Hosted by Kenan Thompson.

The Comedians of Comedy is an occasional stand-up comedy tour featuring Patton Oswalt, Zach Galifianakis, Brian Posehn and Maria Bamford that was documented in a 2005 film and 2005 Comedy Central television series of the same name, both directed by Michael Blieden.

Filmmaker Adam Scorgie explores the illegal marijuana industry in British Columbia, revealing how the international business is most likely more profitable than it would be if it was lawful in this enlightening documentary. Marijuana growers, law enforcement officials, physicians, politicians, criminologists, economists and celebrities—including comedian Tommy Chong—shed light on this topical subject in a series of compelling interviews.

2002 HBO Stand-up Special starring Robin Williams. Recorded and broadcast live from New York City's Broadway Theater at the culmination of his historic 2002 sold-out tour, this special finds the Oscar-winning actor/writer/comedian returning after 16 years to his stand-up roots to deliver what the Washington Post calls "...in its madcap way, a seminal cultural event."

A look at the work of two stand-up comics, Jerry Seinfeld and a lesser-known newcomer, detailing the effort and frustration behind putting together a successful act and career while living a life on the road.

The house is rockin' and the laughs are rollin' as comedians Steve Harvey (The Steve Harvey Show), D.L. Hughley (The Hughleys), Cedric The Entertainer (The Steve Harvey Show) and Bernie Mac (Life) meet in this riotously comedy summit directed by Spike Lee.

Forging his own comedic boundaries, Anthony Jeselnik revels in getting away with saying things others can't in this stand-up special shot in New York.